85008157860 has 96 divisors (see below), whose sum is σ = 244554186240. Its totient is φ = 22047303168.

The previous prime is 85008157831. The next prime is 85008157867. The reversal of 85008157860 is 6875180058.

It is not an unprimeable number, because it can be changed into a prime (85008157867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6918042 + ... + 6930318.

It is an arithmetic number, because the mean of its divisors is an integer number (2547439440).

Almost surely, 2^85008157860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85008157860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122277093120).

85008157860 is an abundant number, since it is smaller than the sum of its proper divisors (159546028380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85008157860 is a wasteful number, since it uses less digits than its factorization.

85008157860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445 (or 15443 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 85008157860 in words is "eighty-five billion, eight million, one hundred fifty-seven thousand, eight hundred sixty".